Conveyer mechanism



July 6 1926.

E. HAAs CONVEYER MECHANISM Filed oct. ,23, *1923 sheets-smet 1 lINVF. TOR

'L ATTORNEY July 6 1926.

E. HAAS CONVEYER MECHANI SM Filed Oct. .23, 1923 2 Sheets-Sheet 2 ATTORNEY Patented iJuly 6,. 1926.

'UNITED s'l-ATESv A1,591,422 'Y A EDWARD Kans, or nEooKLYN, NEW YoEK, ass'rGNoR 0E ONE-HALF rro MILEonn B'.

' FERGUSON, or BROOKLYN, NEW YoEK. v y

coNvEYEE MEcKANrsM.

Application led Uctober 23, 1923. -Serial No. 670,264.

This invention relates to an improvement in conveyer mechanisms for carrying for- .ward -a Aseries of articles and delivering them one at a time to a' machine or other 5 mechanism vin which one or more operations areperformed upon the articles.

The invention has been developed in connection with the problem of feeding pieces of chocolate, hard candy and the like to wrapping machines in such a way as to' minimize the liability of the pieces of candy breaking or sticking together. .For convenience of illustration and description the improved conveyer mechanism is .shown and described as applied to awrapping machine.l

It will -be understood7 however, that the improved conveyer mechanism ofthe present invention is not to v4be restricted vto this y"purposefinasmuch as it is clearly adapted for application to and use in connection with other kinds of machines to which articles are delivered for one or more operations. The invention is fully described in the followin specication and is particularly pointe out in the appended claims.

The preferred form in which the invention is at present embodied is illustrated in the accompanying drawings in which Fig.

1 is a side elevation of the improved conveyerl mechanism (with the rear end broken away), showing its application 4`to an automatlc wrapping machine; Fig. 2 is a fragmentary view of the rear end of the conveyer; Fig. 3 is a transverse section (onl v an enlarged scale) taken along the line 3 3 of Fig. 6, looking in the direction of the arrows; Fig. 4 is a longitudinal section taken -alongthe line 4 4 of Fig. 6, showing the plunger retracted; Fig, 5 vis a view similar to Fig. 4 showing the plunger delivering an article to the wrapping machine; and Fig. 6 is aplan of the parts shown in Figs. 4 and 5.

The improved conveyer mechanism, as illustrated -in the drawings, comprises a conveyer 10 by 'which the articles are carried forward one at a time and deposited upon a receiving platform 11 from which they are removed by a plunger 12 and delivered into the aligned jaws of a wrapping device .13 of the automatic wrapping-machine with or other 'articles on the left hand or rear which the conveyer mechanism is connected. This wrapping machine may be of any usual or preferred construction, only such parts of the wrapping machine being shown to I5 ,i

indicate the cooperative relation between it and the conveyer mechanism. The main wrapping devices are indicated at 60. Interposed between the preliminary wrapping devices 13 and the main wrapping devices 60 are intermediate folders 61 which are caused to rise and fall at intervals during the operation of the wrapping machine'by means of a cam path (not shown) formed in the cam 54, which cam path engages a roll 62 carried by an arm forming part of the bell crank 63 pivoted in the side of the machine. The arm 64 of the bell crank .63 is pivotally connected with one end of a lbar 65 which forms part ofthe slide'42 70 of the-transport system of the. machine and on which the intermediate folding devices Glare mounted. 'The other end of theslide 42 is supported on the arm 66 of a second bell crank 67 fulcrumed in the side of the machine.v The two bell cranks are connected by the link 68. A spring 69 acts in conjunction with 'the cam path engaging the roll 62.

' The conveyer10 consists of two sections 414 and 15 l(Fig. 6), and each sectionis pro-` vided with a series of equally spaced lugs l17 by which the articles are carried forward.

` of the article engaged by a pair of lugs is disposed at right angles to the travel of the conveyer. By reason of this arrange? l ment the plunger delivers the articles sidewise intothe yjaws of the wr'aipping device 13. The conve er sections 14 and 15 are in the form of en less chains, the forward ends of which pass over sprocket wheels mounted on a shaft 18 which may constantly or intermittently be driven from a source of power not indicated in the drawings. The rear ends of the chains pass over sprocket wheels lmounted on the shaft 19 journaled in a bracket 20 secured to the rear end of the plate 21 on which the upper portions of the vconveyer chains rest. AThe plate 21 rests on anoiset'part of a platform 22 forming part of the `wrapping machine.

The operative places the pieces of candy end of the conveyer, placing one article in front of each pair of lugs. The articles .are

guided laterally the longitudinally disposed guides 24 and 25 which may be adjusted laterally for articles of differentthe forward end of the support 26, are in-f clined conformably to the incline ofthe conveyer sections. This arrangement is such that the conveyer carries the articlesffor-k ward over the plunger 12 and delivers them in front of it. The plunger is caused to reciprocate in timed relation with the delivery of eachY article onto the platform so that following the delivery of each article onto the platform the plunger moves forward to remove the article and .push it onto' the aligned jaws of the wrapping device 13 and then move rearwardly to permit the next succeeding article to be deposited onto the platform. This mode of operation obtains whether the conveyer travels constantly or intermittently.

The plunger 12 reciprocates parallelly with the line of travel of the conveyer and the forward end of the plunger passes over the shaft 18 on which the forward ends of the conveyer chains are mounted. ln order that the plunger vwhich extends laterally beyond the conveyer chains may pass freely by the chains on its forward movement, it

visprovided with the slots 28 and 29; The timing of the movements' of the plunger and the conveyer is such that when the plunger has delivered an article 27 into the aligned jaws of the wrapping device" 13, as shown in Fig. 5, and travels rearwardly again, the upper surface of the forward end of the plunger encounters the lnext succeeding article. The article thus engaged by the plunger is prevented from being displaced from the conveyer by means of a section of chain 30, the rear end of which is supported from the rod 31 extending from an upright 32 rising from the platform 22, and the forward end of which is supported from a pin .33 extending from the guide piece 34 rising from the platform 11. The guide piece 34 cooperates with the guide piece 35 to align the article on the platform and the two form an extension of the guides 24 and 25.

The chain 30 is loosely mounted to engage the articles loosely and frictionally and therebyexert a dragging effect upon them te hold them against the lugs as they `descend the incline. Moreover, the holding eect of the chain against the articles is such that the backward movement of the plunger in engagement with the article then above it does not displace the article from its proper position on the conveyer.

The plunger 12 is secured at its rear end vmovements are imparted to the two slides and to the plunger by the arm 43 of a bell v crank pivoted on the pin 44. rl.`he upper end ofthe arm 43 is provided with a roll 45 which travels in a slot formed by the bracket 46 and lug 47 rising from the slide 42. -The other arm 471 of the bell crank is connected by a link 48 with one arm 49 of the bell crank 51, the other'arm 52 of which is provided with a roll53 which travels in a cam path (not shown) formed in the cam disc 54 mounted on the shaft 55 which is driven from a source of power not shown.

VThe mode of operation of the improved conveyer mechanism in delivering an article to the wrapping machine is as follows:- lt is assumed that the conveyer moves. constantly and delivers the articles one at a time on to the platform 11. The operative places an articlevinfront of each pair of lugs 17. The guides 24 and 25 and the loose chain 30 serve tol properly position the articles .on the conveyer and against the lugs. Immediately an article is deposited 'upon the platform -11`the plunger 12 moves forward and pushes it together with its wrapper W-which has been severed bythe blades 57 into the aligned pocket of the wrapping device 13. 'The three fingers which constitute the forward end of the plunger 12, being substantially as wide as the article is long, push the article squarely against the wrapper and so, accurately into the aligned pocket of the wrapping device.v

While the plunger isv pushing one article into the Wrapping device the next succeeding article 1s traveling down the lincline so that as the plunger retracts, it passes. under this latter article which is then pushed into place on the platform. It will thus be seen that the articles may be fed rapidly and accurately to the wrapping or other machine with little liability of breaking the articles.v

It is unnecessary to follow the progress of the artice's through the wrapping machine which is assumed to operate in a usual and well-known manner.

Having thus described the invention what I claim as new is y 1. A. conveyer mechanism comprising a conveyer having its forward end arrange on an inclined plane, a platform located 0pposite the lower end of the -inclined portion of the conveyer, and a plunger mounted to reciprocate over the platform and arranged so that the articles carried by the conveyer lugs positively push the Aarticles onto ther platform, and a reciprocating plunger for removing the articles from the platform.

3. A conveyer mechanism *comprising a conveyer provided with'a series of lugs for carrying forward a series of articles and having its forward end arranged on an inclined plane, a platform located opposite the lower end of the inclined plane sc that the conveyer lugs may push the articles onto the platform, and a reciprocating plunger for removing the articles from the platform.

4. A conveyer mechanism comprising a conveyer consisting of-two sections for carrying forward a series of articles v placed transversely across. the two sections, -the forward end of the upper portion of the conveyer being arranged on an incline, a platform on which the articles are deposited one at a time from the conveyer, and a plunger arranged to reciprocate in the direction of travel of theconveyer forremoving the articles from the platform.

5. A conveyer` mechanism comprising a horizontally reciprocating plunger, a conveyer consisting of two sections for carrying forward a series of articles placed trans-- versely across the sections, the upper portion of the forward end of the conveyer being arranged so that the plunger passes between the sections, and a platform for receivin the articles from the'conveyer and over w ich the plunger reciprocates to remove the articles from the platform.

6. A' conveyer lmechanism comprising a conveyer arranged to receive articles on one plane and carry them forward and discharge them on a lower plane, means for loosely engaging the articles while they are being conveyed from the higher to the lower plane to prevent their accidental displacement from the conveyer, a platform for receiving the articles fromthe conveyer, and a plunger for removing the articles from the platform.

7. A conveyer mechanism comprising a conveyer consisting of two sections for carrying forward a series of art1cles Lplaced transversely across the sections, the upper portion of the forward end of the conveyer being arranged on an -incline,. means forv loosely engaging the articles asthey travel down the incline to prevent their accidental displacement from the conveyer, a platform for receiving'ithe articles Afrom the conveyer, and a, plungerarranged to reciprocate between thev inclined sections of the conveyer for removing the articles 4from the platform.

8. A` conveyer mechanism comprisingl a conveyer provided with a series vof lugs for carrying forward a series of articles, the

upper portion of the conveyer being ar-A ranged toreceive the articles on one plane and to deliver them on alower plane, means for loosely engaging the articles to prevent theirvaccidental displacement from the conveyer as they travel from the upper to the lower plane, a platform on which the articles are delivered'one at a time by the conveyer, and a plunger arranged to reciprocate parallelly withthe line of travel of the' con' veyer for removing the articles from the platforni. e, v

9. A conveyer mechanism' comprising a conveyer consisting of'two sections having lugs for carrying forward a series of articles, the lugs of one section being disposed oplpositely to the lugs of the other, the forwardend of the upper portion of the conveyer being arranged on an incline, a .plunger arranged to reciprocate between the inclined portions of the conveyer sections, andmeans arranged above the inclined portions of the conveyer sections for frictionally en-` gaging the articles and holding them against their respective lugs as they travel down the incline. g

10. A conveyer mechamsm comprising a 'reciprocating plunger, aconveyer arranged to recelve art1cles on lone plane and deliver them on another plane in front of the plunger, a platform for receiving the articles from the conveyer and from which the Y plunger removes them, and means for frictiona veyer asthey pass over the plunger into position 1in front of it.

i EDWARD HAAS.v

ly holding the articles against the con-Y 

